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COMP Cams SK12-674-4 Xtreme Energy Solid Flat Tappet Camshaft Kit for Chevy Small Block - 218/224

(GMC G2500 1979-94, Yukon 1992-94, K1500 1979-86, 1988-94, C1500 1979-86, 1988-94, K2500 1979-86, 1988-94, Jimmy 1970-91 + 218 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

SK12-674-4
4 reviews
Sale Price

$516.95

Estimated ship date Tuesday, November 24

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Product Details

The COMP Cams SK12-674-4 Xtreme Energy camshaft kit delivers aggressive performance for street and strip Chevrolet small block engines. This complete SK-Kit (Small Kit) features the popular 218/224 duration solid flat tappet camshaft profile, designed to provide excellent throttle response and strong mid-range to top-end power gains.

Key Specifications:

  • Advertised Duration: 270°/276° intake/exhaust
  • Duration at .050": 218°/224° intake/exhaust
  • Valve Lift: .454"/.475" intake/exhaust (with 1.5 rocker ratio)
  • Lobe Separation Angle: 110°
  • Recommended RPM Range: 1,500-6,000 RPM
  • Solid (mechanical) flat tappet design

Complete Kit Includes:

  • Xtreme Energy camshaft
  • Solid flat tappet lifters (16)
  • Timing chain set
  • Assembly lube
  • Installation instructions
  • COMP Cams decals

This camshaft profile is ideal for street performance and weekend drag racing applications with modified cylinder heads, headers, and 9.5:1 or higher compression ratio. The solid lifter design requires periodic valve lash adjustment but provides excellent durability and consistent performance at higher RPM levels. Compatible with stock or aftermarket valve springs rated for the lift specifications.

Products specifications

Fits

GMC G2500 1979-94, Yukon 1992-94, K1500 1979-86, 1988-94, C1500 1979-86, 1988-94, K2500 1979-86, 1988-94, Jimmy 1970-91, C3500 1979-86, 1988-94, K2500 Suburban 1979-86, 1992-94, K3500 1979-86, 1988-94 + 215 more models

Basic Operating RPM Range

1,000-5,600

Lifter Type

Solid Flat Tappet

Kit Type

SK-Kit - Small Kit

Intake Valve Lift

0.465

Exhaust Valve Lift

0.477

Camshaft Material

Cast Iron

Cam Type

Solid Flat Tappet

AMAZON ASIN

B001R9HBAK

Usage

Street/Performance

Assembly Lubricant Included

Yes

LOBE SEPARATION

110

Valve Springs Required

Yes

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for On-Road Vehicles?

No

C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?

Yes, but must be a race/competition only vehicle.

C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

Gaskets Included

No

Camshaft Gear Attachment

3-Bolt

Locks Included

No

Advertised Exhaust Duration

262

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

Yes

Advertised Intake Duration

256

Exhaust Duration at .050 inch Lift

224

Intake Duration at .050 Inch Lift

218

Engine Family

Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)

Valve Stem Seals Included

No

Pushrods Included

No

Camshaft Series

Xtreme Energy

Excellent company! Great to do business with you. Thanks. A+

Straight forward and easy to use.

fast, polite service when we had a question

It is easy to buy...

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